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devlian [24]
3 years ago
13

if a person in a boat sailed straight across to other side of this lake, which of these statements would be true about the trip?

Chemistry
1 answer:
LUCKY_DIMON [66]3 years ago
4 0
There’s no statements I can’t answer
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3 years ago
Propane(C3H8) combusts with oxygen gas. If you start with 15 grams of Propane, how many grams of carbon dioxide will be produced
skelet666 [1.2K]
<em>mC₃H₈: 44 g/mol</em>
<em>mCO₂: 44 g/mol</em>
---------------------

C₃H₈ + 5O₂ ----> 3CO₂ + 4H₂O
44g                    (44·3)g


44g C₃H₈ ------ 132g CO₂
15g C₃H₈ ------ X
X = (15×132)/44
<u>X = 45g CO₂
</u>

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Answer: A different group of scientists using different methods.

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-Dominant- [34]

Answer:

The formula for water is . The oxidation number of hydrogen is +1. Since there are two of them, the hydrogen atoms contribute to a charge of +2. The water molecule is neutral; therefore, the oxygen must have an oxidation number of to balance the charge.

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Which of the following is NOT considered a branch of Chemistry?
mestny [16]

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Pure Chemistry -- is NOT considered a branch of Chemistry.

Explanation:

Second question is number 4.

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